linux-kernel - Re: [PATCH v5 2/3] acpi, apei, ghes: Make NMI error notification to be GHES architecture extension.

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Message-ID: <20140722165739.GG6462@pd.tnic>
Date:	Tue, 22 Jul 2014 18:57:39 +0200
From:	Borislav Petkov <bp@...en8.de>
To:	Tomasz Nowicki <tomasz.nowicki@...aro.org>
Cc:	rjw@...ysocki.net, lenb@...nel.org, tony.luck@...el.com,
	m.chehab@...sung.com, bp@...e.de, rric@...nel.org,
	linux-edac@...r.kernel.org, x86@...nel.org,
	linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
	linaro-acpi@...ts.linaro.org
Subject: Re: [PATCH v5 2/3] acpi, apei, ghes: Make NMI error notification to
 be GHES architecture extension.

On Tue, Jul 22, 2014 at 11:20:12AM +0200, Tomasz Nowicki wrote:
> Currently APEI depends on x86 architecture. It is because of NMI hardware
> error notification of GHES which is currently supported by x86 only.
> However, many other APEI features can be still used perfectly by other
> architectures.
> 
> This commit adds two symbols:
> 1. HAVE_ACPI_APEI for those archs which support APEI.
> 2. HAVE_ACPI_APEI_NMI which is used for NMI code isolation in ghes.c
>    file. NMI related data and functions are grouped so they can be wrapped
>    inside one #ifdef section. Appropriate function stubs are provided for
>    !NMI case.
> 
> Note there is no functional changes for x86 due to hard selected
> HAVE_ACPI_APEI and HAVE_ACPI_APEI_NMI symbols.
> 
> Signed-off-by: Tomasz Nowicki <tomasz.nowicki@...aro.org>

Acked-by: Borislav Petkov <bp@...e.de>

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
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